{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949971,-0.312340,0.000000,0.000000,0.174689,-0.531311,0.828971,0.000000,-0.258374,0.785837,0.561874,0.000000,-1649691.847413,5017483.210846,3563485.597457,1],    "boundingVolume": {    "region": [1.888382,0.596545,1.888520,0.596754,0.000000,8.760017]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_1406282.b3dm"}}}